What size post for 4′, 6′, 10′, 12′, 14 and 16 foot gate? the size of the posts for gates depends on various factors, including the material of the gate, the weight it needs to support, and local building codes.
In general, from 4 to 6 feet wide gate, the size of the post have to be 4×4-inch, while from 6 to 10 feet wide gate, the size of the post need to be 5×5-inch. In addition, from 10 to 16 feet wide gate, the size of the post ought to be 6×6-inch or 8×8-inch.
A boundary gate or side gate or garden gate is usually placed to protect certain to protect or keep kids or pets in, or intruders or animals out, or even just for your privacy. Generally, a side gate or garden gate is about 1800mm (6ft) high.
Gate are built up surrounding the property area of land, it is made of iron steel rod or Timber, in those areas wooden Timber is not inexpensive, mostly agriculture land is surrounded by wooden Timber post, this is made for protection of agricultural land, farm house and their property, and some due to privacy reasons.
As with all outside lumber or timber structures, gates have to be designed to withstand the different elements. It is a relatively common experience to have difficulty trying to open and shut some lumber gates that are either jammed between the wooden posts, or have sagged and are dragging on the ground. A bit of forethought can alleviate these problems.
Size of gate posts
The size of gate posts depends on various factors such as the gate’s dimensions, material, and weight. Typically, for a standard residential gate, posts with a minimum size of 3×3 inches, 4×4 inches, 5×5 inches or 6×6 inches are common. For larger or heavier gates, you might need 8×8 inches posts or additional support structures. Total length of posts is about 8 feet, out of 8 feet post length minimum 2 feet buried into the ground and about 6 feet height above the ground level.
What size post for 4′, 6′, 10′, 12′, 14 and 16 foot gate
As a rule of thumb for free-standing wooden posts, use 4×4-inch (100mm x 100mm) lumber post for narrow gates for 4 to 6 feet wide and up to 4 feet (1200mm) high, use 5″ × 5″ (125mm x 125mm) posts for wide gates for 10 feet wide and 6 ft (1800mm) high and use at least 6″ × 6″ (150mm x 150mm) posts for 12 ft to 16ft wide gates.
It is important to use an anchor post or pipe large enough to hold the wooden gate. To hang a 14- to 16-foot gate, use a wood post six to eight inches in diameter such as 6″ × 6″ (150mm × 150mm) or 8″ × 8″ (200mm × 200mm), or a six-inch diameter pipe. Steel pipe has the longest life expectancy, but don’t let that deter you if pipe is not readily available or you don’t have the necessary tools to work with pipe.
Post hole size
For most, a lumber post should be concreted into a hole 2 feet (600mm) deep and 1 feet (300mm) wide in square shaped. A wider heavier gate such as a driveway gate, could require a hole 3 feet (900mm) deep.
What size post for a 4 foot gate
Typically for a 4 foot wide gate, you can use 4×4 (100mm x 100mm) lumber/ wood post for narrow gates up to 4 feet (1200mm) high. Thus you will need at least 4″×4″ size of wooden post for a 4ft wide gate. A lumber post 4″×4″ should be concreted into a hole 2ft (600mm) deep and 1ft (300mm) wide.
What size post for a 6 foot gate
Usually for a 6 foot wide gate use 4″ × 4″ (100mm x 100mm) lumber/ wood post size for narrow gates up to 6 feet (1800mm) high. Thus you will need 4″×4″ size of wooden post for a 6ft wide gate. A lumber post 4″×4″ should be concreted into a hole 2ft (600mm) deep and 1ft (300mm) wide.
What size post for 10 foot gate
Typically for a 10 foot wide gate use 5″ × 5″ (125mm x 125mm) lumber/ wood post size for wider gates up to 6 feet (1800mm) high. Thus you will need 5″×5″ size of wooden post for a 10ft wide gate.
What size post for 12 foot gate
Usually for a 12 foot wide gate use 6″ × 6″ (150mm x 150mm) lumber/ wood post size for wider gates up to 8 feet (2400mm) high. Thus you will need 6″×6″ size of wooden post for a 12ft wide gate. A lumber/ wood post 6″×6″ should be concreted into a hole 2.5ft (750mm) deep and 1.5ft (450mm) wide for a 12 foot gate.
What size post for 14 foot gate
Typically for a 14 foot wide gate use 6″ × 6″ (150mm x 150mm) lumber/ wood post size for wider gates up to 8 feet (2400mm) high. Thus you will need 6″×6″ size of wooden post for a 14ft wide gate. A lumber/ wood post 6″×6″ should be concreted into a hole 3ft (900mm) deep and 1.5ft (450mm) wide for a 14 foot gate.
What size post for 16 foot gate
In general, for a 16 foot wide gate use 8″ × 8″ (200mm x 200mm) lumber/ wood post size for wider gates up to 8 feet (2400mm) high. Thus you will need 8″×8″ (200mm × 200mm) size of wooden post for a 16ft wide gate. A lumber/ wood post 8″×8″ should be concreted into a hole 3ft (900mm) deep and 2ft (600mm) wide for a 16 foot gate.
Conclusion:-
Typically for a 4 to 6 foot wide gate you can use 4×4-inch post, while for a 7 to 10 foot wide gate you can use 5×5-inch post. In addition, for a 10 to 16 foot wide gate you can use 6×6-inch post.